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Drew the PCB of stm32, DRC no problem. After soldering on, after stlink connected to the board. The power supply LED can also be displayed normally. But keil shows NO target connected

What are the usual reasons why a drawn PCB cannot be recognized and the chip is not a problem. How to deal with these problems

风正豪
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  • Drawings do not connect to the debugger. – 0___________ Mar 01 '23 at 21:11
  • We will need more informations about your setup. Schematics or connection diagrams. Also add what you tried to solve this issue already. – PhilM Mar 02 '23 at 14:11
  • I'm sorry to bother you all, it's because when the chip is soldered, there is a false solder, resulting in stlink can not be recognized to – 风正豪 Mar 04 '23 at 02:35

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